<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form
        :model="regForm"
        :rules="regrules"
        ref="regForm"
        class="reg-form"
      >
        <el-form-item prop="username">
          <el-input
            prefix-icon="el-icon-user"
            placeholder="请输入用户名"
            v-model="regForm.username"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            prefix-icon="el-icon-lock"
            placeholder="请输入密码"
            v-model="regForm.password"
          ></el-input>
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input
            prefix-icon="el-icon-lock"
            placeholder="请确认密码"
            v-model="regForm.repassword"
          ></el-input>
        </el-form-item>
        <el-form-item>
          <el-button style="width: 100%" type="primary" @click="regNewUser">注册</el-button
          >
          <el-link @click="$router.push('/login')" type="info">去登录</el-link>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data () {
    const regPsd = (rule, value, callback) => {
      if (value !== this.regForm.password) {
        callback(new Error('两次密码不一致'))
      } else {
        callback()
      }
    }
    return {
      regForm: {
        username: '',
        password: '',
        repassword: ''
      },
      regrules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { pattern: /^[a-zA-Z0-9]{1,10}$/, message: '用户名必须是1-10的字母数字', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '密码必须是6-15位的非空字符', trigger: 'blur' }
        ],
        repassword: [{ required: true, message: '请确认密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '密码必须是6-15位的非空字符', trigger: 'blur' },
          { validator: regPsd, trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    regNewUser () {
      this.$refs.regForm.validate(async (valid) => {
        if (!valid) return
        const { data: res } = await this.$http.post('/api/reg', {
          username: this.regForm.username,
          password: this.regForm.password,
          repassword: this.regForm.repassword
        })
        // console.log(res);
        if (res.code !== 0) return this.$message.error(res.message)
        this.$message.success(res.message)
        this.$router.push('/login')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.reg-form {
  padding: 0 20px;
}
.reg-container {
  background: url("../../assets/images/login_bg.jpg") center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .title-box {
      height: 60px;
      background: url("../../assets/images/login_title.png") center no-repeat;
    }
  }
}
</style>
